Step of Proof: l_before_antisymmetry
11,40
postcript
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Inference at
*
1
I
of proof for Lemma
l
before
antisymmetry
:
1.
T
: Type
2.
l
:
T
List
3.
x
:
T
4.
y
:
T
5. no_repeats(
T
;
l
)
6. [
x
;
y
]
l
7. [
y
;
x
]
l
False
latex
by Assert [
x
;
x
]
l
latex
1
: .....assertion..... NILNIL
1:
[
x
;
x
]
l
2
:
2:
8. [
x
;
x
]
l
2:
False
.
Definitions
L1
L2
,
[
car
/
cdr
]
,
[]
origin